JPWO2011083775A1 - Measurement data deformation display and data collection adapter unit at civil engineering and construction work sites - Google Patents

Abstract

It can be connected to existing detectors installed at the site, and can respond to the increase in measurement management data content / data volume and changes in site measurement points as construction progresses. An adapter unit that can collect data is provided. It is a unit used for measurement management in civil engineering and construction work sites. It is a detector interface part, two transmission interface parts that connect adjacent units via balanced transmission line cables and power cables, LED display unit for notification of deformation, signal conversion unit for converting analog signal to digital signal, memory unit, information processing unit for outputting display signal to LED display unit when digital signal is out of allowable range, identification Number, display the field deformation according to the detector data, and transmit the data to the data collecting device provided at the end of the connected units.

Description

  The present invention is for collecting civil engineering / architecture measurement data installed at an arbitrary position of a natural structure or the like for the purpose of monitoring the occurrence / development of the deformation of the natural or artificial structure at the site, or the increase of the danger level. In addition, the present invention relates to an adapter that is connected to a detector for collecting disaster prevention measurement data and displays the deformation of the measurement data in the field and collects data.

  The traffic lights installed at the intersections of roads are safety notification devices that use three colors of light, blue, yellow, and red, to safely control the traffic of drivers and pedestrians. Has been established as. Moreover, the concept of safety in blue and danger in red has permeated the general public. However, such a safety notification device is not found in the general relationship between natural and artificial structures and human society.

Here, the natural structure refers to a part of natural landform formed by soil materials and rocks such as a roadside, a natural slope around a residential area, a natural river bank, and the like. It also covers snow when examining the risk of avalanches in heavy snowfall areas.
Artificial structures generally refer to civil engineering structures, building structures, and construction machines used when constructing them.
Civil engineering structures refer to bridges, power transmission and communication towers, dams, tunnels, embankments, landfills, artificial river dikes, artificial slopes, and so on.
Building structures include general houses, high-rise buildings, public buildings (museums, schools, train stations, gymnasiums, etc.), large-scale leisure facilities (concert halls, sports stadiums, ferris wheels, roller coaster rails, etc.), events Refers to temporary venue structures.
In addition, the construction machine refers to a machine that requires an operator, such as a large crane or a large heavy machine, and in which residents or workers may approach the vicinity during the construction.
Even if these natural and man-made structures have been deformed and their safety continues to decline, they can be detected rationally and economically and effectively in the surrounding residents and workers. It must be said that the safety notification device to inform is still under development.

  The current situation and problems of an example of a dangerous slope, which is one of the natural structures, will be described. In Japan, three quarters of the country is covered with mountainous areas, and there are 210,000 disasters in the country, including about 90,000 slope failure areas, landslide areas, debris flow areas, and rockfall areas. Slope disasters are concentrated especially during heavy rains, earthquakes, and slope construction.

  Under such circumstances, slope disaster prevention measures are efficiently implemented from areas with a high risk of collapse, equipment is installed to detect the occurrence of disasters and their signs, and information is provided to road users and neighboring residents according to the degree of danger. There is a need to provide. For this purpose, a preliminary survey by experts, a budgeted monitoring plan, a data transfer system using IT (Information Technology) technology, a safety judgment and warning dispatch system by the person in charge were developed, and steady results have been achieved so far. It has been raised.

However, while the risk of disaster occurrence due to natural phenomena is basically unchanged, the maintenance budget for disaster countermeasures may have decreased. Even in this case, the actual situation is that the maintenance rate is still about 20% of the total.
Of these, only a limited number of areas are equipped with real-time data analysis and notification systems for residents.

On the other hand, the measurement management of the slope failure risk point etc. currently performed at each site is to install a plurality of measuring instruments in the main section, and to set the management reference value based on the design calculation document, for example, from the first warning value. Three levels up to three warning values are set, manual measurement or automatic measurement is performed, and data is organized by a computer in the management office. And the measurement staff judges the behavior such as slope failure from those measurement results.
For example, when the measured value exceeds the management reference value, the general management method is to issue a warning or an evacuation command in consultation with the orderer when the staff conducts a field survey and determines that it is dangerous. In addition, if the control standard value is not exceeded, a report is submitted to the orderer as a weekly or monthly report, and at the end of the construction, the final report is submitted as measurement data associated with the construction.

Deformation measurement management at the civil engineering work site as described above is different from measurement management in buildings and facilities in factories and plant facilities. As shown in FIG. 10, in the case of a factory or plant facility, signals taken from on-site detectors (61 to 68) are collected by a local controller (51 to 53) or a remote control panel and collected. Data is transmitted through the network 50 to the data collection device 34 and the central monitoring device 32 in the central measurement management room 30. Local control devices and remote control panels are usually provided with a lamp display function for failure occurrence.
When the operator is away from the central monitoring device 32 and there is no in-house broadcasting facility or there is a place where the in-house broadcasting does not reach, an announcement is made from the central data collecting device 34 to the local control device and the remote control panel. Some of them can convey the contents and display the announcement contents on these local control devices and portable display terminal devices connected to the remote control panel (see, for example, Patent Document 2).

  Recently, there is a system that collects local data with a detector, collects the data through a signal cable or a telephone line, and analyzes and monitors them centrally (for example, Patent Documents 3 and 4). See.)

It is very difficult to employ the above-described measurement management system for factories and plant facilities for measuring and managing deformations in civil engineering and construction work sites. This is because the site situation changes as the construction progresses at the civil engineering / architecture site. That is, as the construction progresses at the civil engineering / architectural work site, the data content and the amount of data to be measured and managed increase, and the measurement points on the site also change. For this reason, since the object and range of measurement management change according to the progress of construction, the number of measurement management data and the collection points are not fixed as in the measurement management system of a factory or plant facility.
Also, for example, in civil engineering work sites such as tunnel construction, it is difficult to collect data using radio, and data of each measuring instrument is collected by connecting a portable data collection device individually. Has been.

  Under such circumstances, in civil engineering and construction work sites, the management office measures and manages to understand the danger level of the site and review the method of communicating it to the site, further improving the safety of site workers It is requested to do.

Under such circumstances, Yodogawa, one of the inventors, has already provided vital monitoring data indispensable to protect citizens and construction personnel from disaster prevention such as landslides in real time to neighboring parties (residents, field workers, etc.). In order to disclose information, a device that displays relative displacement between arbitrary observation points in the color of light has been proposed (Patent Document 1).
This includes a measurement unit that measures the relative displacement between any two points, an LED tube in which a plurality of LED light sources are arranged, and a switch unit that determines the color of the LED light source from the amount of deformation obtained by the measurement unit. The switch section is composed of a switch panel in which non-conductors and conductors are appropriately arranged, and a contact point of the power line of each LED chip that can move according to the amount of deformation, in real time in the original position The change is announced by the color of light.

However, there are various existing measuring instruments that collect disaster prevention data (dynamic observation data) such as strain gauges, differential transformers, and potentiometers.
Therefore, if it is possible to deal with existing measuring instrument data, and if such data can be disclosed to the on-site workers in real time by using the color of the light in the light color, the field worker himself can use the color of the light. , It will be possible to quickly determine the danger level of the site conditions.

JP 2008-309784 A JP-A-10-247108 JP-A-11-316886 JP 05-327919 A

At present, the above-mentioned advanced measurement data management system introduced in civil engineering and construction work sites has a problem that it cannot be installed in all the places where danger is already known because of high cost.
Also, existing systems often centrally manage changes occurring at the site in another location (such as the head office or the central government's data management room). There is a decisive problem that the information is not transmitted to.

  The current problems described here are not limited to the example of dangerous slopes as one of the natural structures, but also target other natural structures, civil engineering structures, building structures, and related construction machinery. It also exists in the monitoring of deformation and safety management systems during construction and operation.

  In view of the above situation, the present invention can be connected to an existing detector installed at the site, can cope with an increase in measurement management data content / data amount and a change in the site measurement point as construction progresses, and civil engineering / architecture An object of the present invention is to provide an adapter unit capable of displaying measurement data in the field and collecting data.

In order to achieve the above object, the adapter unit of the present invention is a unit used for measurement management in civil engineering and construction work sites,
1) At least one detector interface unit capable of inputting an analog signal of a field detector;
2) A transmission interface unit for data communication with an adjacent unit or data collection device,
3) LED display for notifying site workers of structural changes,
4) A signal conversion unit that converts an analog signal input from the detector interface unit into a digital signal;
5) a memory unit for storing digital signals as data;
6) An information processing unit that outputs a display signal to the LED display unit when the digital signal is outside the allowable range;
7) Unique identification number,
It is set as the structure provided with.

According to such a configuration, it is possible to display on-site deformation according to the data of the detector, and to the data collection device provided at the end of the plurality of connected units using the identification number in the memory unit. The stored data can be transmitted via the transmission interface unit.
In other words, it can be connected to existing detectors installed at the site, can respond to the increase in the contents of measurement management data and the amount of data as the work progresses, and changes in the site measurement points. It can display and collect data.

The at least one detector interface unit capable of inputting the analog signal of the on-site detector in 1) is an interface corresponding to an existing measuring instrument (strain gauge type, differential transformer type, potentiometer type, voltage type). . It has an interface that can input analog signals of existing measuring instruments.
Moreover, it is preferable to provide a constant current circuit so that a power source for driving the detector can be supplied. By simply connecting the on-site detector to the adapter unit of the present invention, the on-site detector can be driven to input a detection signal.
Furthermore, it is preferable that the presence or absence of signal amplification and the presence or absence of constant current supply can be switched depending on the type of detector in the field. The detector type changeover switch is built in the adapter unit of the present invention, and switches the detector type by the initial setting of the adapter unit hardware.
At least one means that a plurality of detectors arranged close to one adapter unit can be connected simultaneously.

Next, the transmission interface unit for data communication with the adjacent unit or data collection device of 2) will be described.
The adapter unit of the present invention includes a transmission interface unit for data communication with an adjacent unit or data collection device. Here, the transmission interface unit may transmit data via a wired cable, or may transmit data via wireless communication.
In particular, in the case of data transmitted via wireless communication, data can be transmitted / received directly to / from a data collection device instead of an adjacent unit if the distance is within a communicable range.

In an environment where wireless communication is an obstacle, data is transmitted via a wired cable. A transmission interface unit that transmits data via a wired cable is preferably a transmission interface unit in which adjacent units are connected and connected via a balanced transmission line cable and a power cable using a twisted pair.
By connecting the units in series, they grow like a long snake. As described above, measurement points and measurement points change on the site as the construction progresses. By connecting the units in series, it is possible to easily add units and newly add measurement points between the units.
Here, for example, an RS-485 serial communication cable is preferably used as the balanced transmission line cable using the twisted pair. In the case of the RS-485 serial communication cable, the number of connected adapter units can be up to about 99, and the total transmission distance can be up to a relatively long distance of about 1200 m.

  The power cable is for operating an electronic device in the adapter unit or generating a constant current, and a DC 24V power cable is preferable.

  Also, at least two transmission interface units are provided with three transmission interface units or four transmission interface units so that they can be branched from one of adapter units connected in series like a long line. It means that things are included.

  Next, the LED display section for notifying the site worker of the above 3) of the deformation of the structure is for displaying the deformation on the site regarding the civil engineering / architecture measurement data. The LED display section can be composed of at least one LED lamp, but is preferably composed of a plurality of LEDs, and can perform color display in two to five stages when a digital signal to be described later is out of an allowable range. Things are good. For example, the five levels of color display are blue, cyan, green, yellow, and red.

More preferably, the LED display unit is composed of a part where the LED is mounted and a part where arbitrary information can be displayed using a liquid crystal panel. It is preferable that notification can be made.
Further, it is preferable that the LED display unit always performs blue or green safety color display when the digital signal is within the allowable range. For example, blue is firmly established as a concept color that is safe like a traffic light.

  Next, the signal conversion unit that converts the analog signal of 4) above into a digital signal is for converting the data into data that can be processed by the adapter unit.

  Specifically, the memory unit that stores the digital signal of 5) as data and the information processing unit that outputs a display signal to the LED display unit when the digital signal of 6) is outside the allowable range are specifically described CPU, memory (RAM, ROM), I / O, and the like are housed in one chip and realized by a controller controlled by a program written in the ROM. For example, PIC (Peripheral Interface Controller) (registered trademark) is preferably used.

Here, it is preferable that the set value of the allowable range and the color threshold parameter of the LED display unit are stored in the memory. The reliability of the setting value and the parameter is improved by preventing the setting value of the allowable range and the parameter of the color threshold value of the LED display unit from being easily changed from the outside.
From the standpoint of maintainability, it is preferable that the set value of the allowable range and the color threshold parameter of the LED display unit can be received from the data collection device via the transmission interface unit. This is because the adjustment work of the adapter unit at the site can be concentrated and performed remotely from the measurement management room, so that the maintenance work can be made more efficient.

  Moreover, it is preferable that the calibration parameter of the signal conversion unit can be received from the data collection device via the transmission interface unit. Similarly, the adjustment work of the adapter unit in the field (the work for changing the calibration parameters of the signal conversion unit) can be performed remotely from the measurement management room, so that the efficiency of the adjustment work can be improved.

Further, it is preferable that the data collection date and time and the data value are stored for each sampling in the memory unit, and can be transmitted to the data collection device in a batch via the transmission interface unit.
The adapter unit can operate separately from the data collection device. That is, the adapter unit inputs a signal from the connected on-site detector and determines whether or not the signal is within the allowable range. If the signal is out of the allowable range, the adapter unit displays a display corresponding to the LED display unit. Can output. Therefore, the adapter unit can notify the on-site deformation even if no data collection device exists. For the convenience of measurement data management, the adapter unit is provided with a function for storing data collection date and time and data value for each sampling, and for the data collection device to be able to send the data collectively via the transmission interface unit. Because.

  The unique identification number 7) is used to identify the connected adapter units, and is used when the data collection device exchanges data with the adapter units.

In the above adapter unit, when the attachment portion to the wall surface of the unit body is the bottom surface, an interface cable connector is provided on the side surface portion of the unit body, and a transparent cover is provided on the upper surface portion of the unit body. It is preferable that the display of the LED display unit can be confirmed through the transparent cover.
This is in order to improve the ease of confirmation of deformation at the site and the convenience of installing the adapter unit and connecting to the adjacent adapter unit.

In addition, in the memory unit 5), the data collection date and time and the data value are stored for each sampling, and the unit main body is provided with a memory card interface unit in which a memory card can be inserted and removed, and the data stored in the memory unit It is preferable that data can be transferred to the memory card. The data measured by sampling can be taken into the portable computer via the memory card.
Here, for example, an SD card (secure
A memory card belonging to a flash memory such as a digital card) is preferably used.

Further, in the adapter unit, an external interface unit that outputs a display signal output from the information processing unit in the above 6) is provided to the outside, and an LED display device independent of the unit main body can be connected to the external interface unit. preferable.
It is difficult to emit light in all directions around the unit using only the LED display unit 3) provided in the unit body. Usually, the LED display is arranged on the front of the unit. For this reason, the deformation of the structure can be notified in the direction of the front surface of the unit, but the deformation of the structure cannot be notified in the direction of the back surface of the unit. For example, for an underground civil engineering worker, there is a case where it is desired to notify a ground worker of a structural change with an adapter unit attached to the underground ceiling. In this case, since an LED display device independent of the unit main body can be connected to the external interface unit, it is possible to display LEDs in an arbitrary direction around the unit.

In the above adapter unit, it is preferable that an optical fiber interface unit capable of extracting light emitted from the LED display unit in the above 3) is provided, and an optical fiber independent of the unit main body can be connected to the optical fiber interface unit.
Since an optical fiber independent of the unit main body can be connected to the optical fiber interface unit, it is possible to emit light in all directions around the unit by winding the optical fiber around the unit.

  According to the adapter unit of the present invention, it can be connected to an existing detector installed at the site, and can cope with an increase in measurement management data content / data amount and a change in the site measurement point as construction progresses, and civil engineering / architecture measurement There is an effect that it is possible to display the deformation of the data in the field and to collect the data.

Schematic configuration diagram of a measurement management system using the adapter unit of the present invention Plan view of the adapter unit of the present invention Functional block diagram of the adapter unit of the present invention Adapter unit system construction flow Adapter unit internal processing flow Example of adapter unit setting screen Data flow of measurement management system using adapter unit Example 1 of measurement management system using adapter unit Example 2 of measurement management system using adapter unit Schematic configuration diagram of a conventional measurement management system

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. The scope of the present invention is not limited to the following examples and illustrated examples, and many changes and modifications can be made.

  FIG. 1 shows a schematic configuration diagram of a measurement management system using the adapter unit of the first embodiment. In FIG. 1, one adapter unit (1a to 1e) is connected to each of the detectors (30a to 30e). The adapter units (1a to 1e) are connected in series with each other and extend like a long line. There are two connecting cables: an RS-485 serial communication cable, which is a balanced transmission line cable using a twisted pair, and a DC24V power cable.

  As shown in FIG. 1, the adapter unit 1a at the end of the adapter unit group connected in series is a data collection device 34 connected to a measurement management terminal (PC) 32 of a measurement management room 30 located at a location away from the site. It is linked with.

At the site, as the construction progresses, the measurement points and measurement points change. For example, when a new measurement point is added between two adapter units (1b, 1c), the cable between the adapter unit 1b and the adapter unit 1c is once disconnected, and a new one is inserted between the adapter unit 1b and the adapter unit 1c. To the adapter unit 1f (not shown). The adapter unit 1b and the adapter unit 1f are connected by a cable, and the adapter unit 1f and the adapter unit 1c are connected by a new cable. And the detector 30f (not shown) which measures a measurement point newly is installed, and the detector 30f and the adapter unit 1f are connected.
In this way, the adapter unit can be easily added or deleted.

Next, the structure and function of the adapter unit will be described with reference to the plan view of FIG. 2 and the functional block diagram of FIG.
The adapter unit 1 has a structure of 75 mm length, 125 mm width, 75 mm height, PIC (Peripheral Interface Controller) (registered trademark) 9, RS-485 control circuit 10, A / D converter 11 and the like. Has been. The entire upper surface is covered with a transparent cover, so that the display on the LED display panel 2 can be easily confirmed. In FIG. 2, cable connection terminals (4b, 6b) are provided on the left and right side surfaces of the rectangular parallelepiped case, and the RS-485 cable and the power cable are used as one transmission cable (4, 6) and the connector (4a, 6a). Connected with. In FIG. 2, a signal cable 5 for signal exchange with a detector (not shown) is connected to the lower side surface of the rectangular parallelepiped case via a connector 5a and a cable connection terminal 5b.

  The adapter unit 1 has a rectangular parallelepiped case with a bottom surface attached to a wall surface or the like. Attachment members (7a, 7b) are provided in a rectangular parallelepiped case. The adapter unit 1 is attached to a wall surface or the like using holes (8a, 8b) provided in the attachment members (7a, 7b).

Next, the function of the adapter unit 1 will be described. The adapter unit 1 includes the following (a) to (g).
(A) One detector interface unit capable of inputting an analog signal of the detector 30 (b) Two transmission interface units for connecting adjacent units with an RS-485 cable and a power cable (c) For field workers An LED display unit having an LED mounting unit for notifying a deformation of the structure and an arbitrary information display unit using a liquid crystal panel; (d) a signal conversion unit for converting an analog signal into a digital signal; and (e) a digital signal as data. Memory unit to be stored (f) Information processing unit that outputs a display signal to the LED display unit when the digital signal is outside the allowable range (g) Unique identification number

The above configuration is compared with the functional block of FIG.
The detector interface unit (a) corresponds to the AMP (amplifier) 21 and the constant current circuit 29 in FIG.
The transmission interface unit (b) corresponds to the RS-485 control circuit 27.
The LED display unit (c) corresponds to the LED circuit 25 and the BUFF (buffer circuit) 24.
The signal conversion unit (d) corresponds to the A / D conversion unit 22.
The memory unit (e) and the information processing unit (f) correspond to the PIC 23.
The identification number (g) corresponds to ID26.
The detector type switching SW 28 is realized by hardware such as a dip switch, for example.

Next, a system construction flow of the adapter unit 1 will be described with reference to FIG. First, a plurality of detectors (D _{1 to} D _n ) are installed at measurement points (P _{1 to} P _n ) (step S01). Next, install the adapter unit in the vicinity of each detector _(D 1 ~D _{n) (step} S02). Then, the adapter unit and the detector are connected with a signal cable (step S03), and the adapter units are connected with a signal cable and a power cable (step S04). Finally, the adapter unit at the end connected in series and the data collection device are connected (step S05), and the data collection device and the measurement management terminal (PC) are connected (step S06).

Next, an internal processing flow of the adapter unit 1 will be described with reference to FIG.
When the adapter unit 1 is activated, the self-identification information is read by the built-in controller (step S100), the detector type is read by the built-in controller (step S102), and the detector type is read by the constant current circuit and the AMP circuit (step S104). Then, setting information and calibration parameters are input from the measurement management terminal (PC) via a communication cable (step S106).
Then, it will be in a steady state and the process which repeats the following steps S108-S116 will be performed.
First, an analog signal is input from the detector (step S108), the input analog signal is amplified and A / D converted (step S110), and the A / D converted signal is input to the built-in controller (step S112). Here, the built-in controller is the PIC described above. When the built-in controller determines that the signal is out of the predetermined range, the signal is output to the LED display unit (step S114). Then, the A / D converted signal value and identification information are output to the data collection device via a communication cable (step S116).

  FIG. 6 is an example of a setting screen of the measurement management terminal (PC) for sending setting information and calibration parameters from the measurement management terminal (PC) in step S106 to the adapter unit. By pressing a setting acquisition button 51 on the setting screen 50, setting data stored in the memory unit inside the adapter unit can be acquired. Also, by pressing the apply button 52, the threshold setting information (58a to 58e) and the calibration parameters (54, 55) set on the screen 50 can be transmitted to the adapter unit and can be stored in the memory unit inside the adapter unit. . The ID 53 on the screen captures and displays the identification information of the adapter unit.

FIG. 7 shows a data flow of the measurement management system using the adapter unit.
The adapter unit acquires threshold setting information and calibration parameters from the data collection device via the transmission cable. The adapter unit takes in an analog signal from the detector via a signal cable. In the adapter unit, the captured analog signal is converted into a digital signal and stored in the memory unit as data. The adapter unit repeatedly takes analog signals from the detector. When there is a signal data acquisition request from the data collection device, the adapter unit transmits the data stored in the memory unit to the data collection device as signal data. The adapter unit transmits the latest data stored in the memory unit as signal data to the data collection device every time there is a signal data acquisition request from the data collection device.

An example of the measurement management system configuration using the adapter unit is shown in FIG. As shown in FIG. 8, the adapter unit of the present invention can be freely constructed according to various field requirements, as compared with the conventional measurement management system (see FIG. 10). Assume that eight detectors A to H are installed at a civil engineering / construction work site. These detectors A to H may be of the same type, or may be of different types such as a strain gauge type sensor, a differential transformer type sensor, a voltage type sensor, and the like. These detectors will change in sensor type and number of installations as civil engineering and construction work progresses. The installation location will also change as the work progresses. Adapter units 41 to 48 are installed in the vicinity of these detectors A to H. The adapter units 41 to 48 are connected one-to-one by detectors A to H and signal cables 51 to 58, respectively. The adapter units 41 to 48 detect the danger level from the data of the detectors A to H, and visually notify the surroundings of the site. The adapter units 41 to 48 are connected in series by transmission cables 40b to 40h, respectively. The adapter unit 41 at the end connected in series is connected to the data collection device 34 via the transmission cable 40a. The data collection device 34 is connected to the measurement management terminal 32.
In FIG. 8, LEC (Light Emitting Converter) means an adapter unit.

Another example of the measurement management system configuration using the adapter unit is shown in FIG. In the system configuration example of FIG. 9, a plurality of detectors are attached to one adapter unit. Compared to the system configuration of FIG. 8, two to three detectors are connected to the adapter units 42, 43, 46 and 47.
Specifically, the adapter unit 42 includes a detector B1 (62a) and a detector B2 (62b), the adapter unit 43 includes a detector C1 (63a) and a detector C2 (63b), and the adapter unit 46 includes The detector F1 (66a) and the detector F2 (66b) are connected to the adapter unit 47, and the detector G1 (67a), the detector G2 (67b), and the detector G3 (67c) are connected.

  The case where a plurality of detectors are connected is, for example, a case where a plurality of inclination sensors are placed in the ground. A plurality of these inclination sensors are arranged in a state of being hung in a hole dug in the ground. Only the adapter unit will appear on the surface of the earth. The data collection device determines the position of the tilt sensor to which this adapter unit has responded or the position of the tilt indicating the maximum value. 34, and the underground deformation is notified to the surroundings using the LED display panel of the unit main body.

  The adapter unit that performs deformation display and data collection of civil engineering / architecture measurement data according to the present invention is a structural object for natural structures, civil engineering structures, building structures, and related construction machines as described above. It is useful as a device for monitoring deformation and confirming safety during construction and in all periods after operation.

1,1a-1e Adapter unit 30a-30e Detector 2 LED display panel 3 Connector 4,6 Transmission cable 5 Signal cable 30 Measurement management room 32 Measurement management terminal (PC)
34 Data collection device 41-48 Adapter unit 51-58 Signal cable 52a-52b, 53a-53b, 56a-56b, 57a-57c Signal cable 61-68 Detector 62a-62b, 63a-63b, 66a-66b, 67a- 67c Detector 40a, 40b, 40c, 40d, 40e, 40f, 40g, 40h Transmission cable

Claims (13)

A unit used for measurement management in civil engineering and construction work sites.
1) At least one detector interface unit capable of inputting an analog signal of a field detector;
2) A transmission interface unit for data communication with an adjacent unit or data collection device,
3) LED display for notifying site workers of structural changes,
4) A signal conversion unit that converts an analog signal input from the detector interface unit into a digital signal;
5) a memory unit for storing the digital signal as data;
6) An information processing unit that outputs a display signal to the LED display unit when the digital signal is outside an allowable range;
7) Unique identification number,
With
Displays on-site deformation according to the detector data, and
The data stored in the memory unit using the identification number can be transmitted to the data collection device provided at the end of a plurality of connected units via the transmission interface unit.
An adapter unit characterized by that. A unit used for measurement management in civil engineering and construction work sites.
1) At least one detector interface unit capable of inputting an analog signal of a field detector;
2) At least two transmission interface units for connecting adjacent units via a balanced transmission line cable using a twisted pair and a power cable;
3) LED display for notifying site workers of structural changes,
4) A signal conversion unit that converts an analog signal input from the detector interface unit into a digital signal;
5) a memory unit for storing the digital signal as data;
6) An information processing unit that outputs a display signal to the LED display unit when the digital signal is outside an allowable range;
7) Unique identification number,
With
Displays on-site deformation according to the detector data, and
The data stored in the memory unit using the identification number can be transmitted to the data collection device provided at the end of a plurality of connected units via the transmission interface unit.
An adapter unit characterized by that.   The adapter unit according to claim 1, wherein the LED display unit can perform color display in at least two stages when the digital signal is outside an allowable range.   The LED display part is composed of a part on which an LED is mounted and a part capable of displaying arbitrary information using a liquid crystal panel, and in addition to the color of light, the site deformation can be notified to the site worker by characters or designs. The adapter unit according to claim 1 or 2.   The adapter unit according to claim 1 or 2, wherein the setting value of the allowable range and the parameter of the color threshold value of the LED display unit are stored in the memory.   The adapter unit according to claim 1, wherein the setting value of the allowable range and the parameter of the color threshold value of the LED display unit can be received from the data collection device via the transmission interface unit.   The adapter unit according to claim 1, wherein the calibration parameter of the signal conversion unit can be received from the data collection device via the transmission interface unit.   3. The adapter unit according to claim 1, wherein the LED display unit always performs a blue or green safety color display when the digital signal is within an allowable range.   The data collection date and time and a data value are stored in the memory unit for each sampling, and can be collectively transmitted to the data collection device via the transmission interface unit. Adapter unit.   The adapter unit according to any one of claims 1 to 9, wherein when the attachment portion to the wall surface of the unit body is a bottom surface, a cable connector for an interface is provided on a side surface portion of the unit body, and an upper surface portion of the unit body The adapter unit is provided with a transparent cover, and the display of the LED display unit can be confirmed through the transparent cover. The memory unit stores the data collection date and data value for each sampling,
The unit main body is provided with a memory card interface part to which a memory card can be inserted and removed.
The adapter unit according to claim 1, wherein data stored in the memory unit can be transferred to the memory card.   The external interface part which outputs the display signal output from the said information processing part to the exterior is provided, The LED display apparatus independent from the unit main body can be connected to this external interface part, The Claim 1 or 2 characterized by the above-mentioned. Adapter unit.   The adapter unit according to claim 1, wherein an optical fiber interface unit capable of extracting light emitted from the LED display unit is provided, and an optical fiber independent of the unit main body can be connected to the optical fiber interface unit.